INTRO.TO GENERAL,ORGAN...-OWLV2 ACCESS
12th Edition
ISBN: 9781337915977
Author: Bettelheim
Publisher: CENGAGE L
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Textbook Question
Chapter 12, Problem 16P
Explain why each name is incorrect and then write a correct name. Strategy: First draw the structural formula suggested by the incorrect name. Then identify the error, for example, failure to locate the longest chain that contains the
(a) 1-Methylpropene (b) 3-Pentene
(c) 2-Methylcyclohexene (d) 3,3-Dimethylpentene
(e) 4-Hexyne
(f) 2-lsopropyl-2-butene
Expert Solution
Interpretation Introduction
(a)
Interpretation:
To analyse the error and write the correct IUPAC names.
Concept Introduction:
The rules to write the IUPAC names are as follows-
- The longest carbon chain is identified, and the root name is given accordingly.
- All the substituents attached to the root chain are determined.
- The position of the substituents is so assigned that the sum of their positions comes to be the least of all possible positions.
- The prefix di, tri, tetra is used if the same substituent is present two, three and four times respectively.
- All the substituents in the name are written in alphabetical order.
- For a cyclic hydrocarbon the prefix cyclo- is used.
Answer to Problem 16P
But-2-ene.
Explanation of Solution
1-Methylpropene.
Error- longest chain not correctly located.
Correct name-
But-2-ene.
But-2-ene.
Expert Solution
Interpretation Introduction
(b)
Interpretation:
To analyse the error and write the correct IUPAC names.
Concept Introduction:
The rules to write the IUPAC names are as follows-
- The longest carbon chain is identified, and the root name is given accordingly.
- All the substituents attached to the root chain are determined.
- The position of the substituents is so assigned that the sum of their positions comes to be the least of all possible positions.
- The prefix di, tri, tetra is used if the same substituent is present two, three and four times respectively.
- All the substituents in the name are written in alphabetical order.
- For a cyclic hydrocarbon the prefix cyclo- is used.
Answer to Problem 16P
2-pentene.
Explanation of Solution
3-Pentene.
Error- Position of double bond not mentioned correctly.
Correct name-
2-Pentene.
Expert Solution
Interpretation Introduction
(c)
Interpretation:
To analyse the error and write the correct IUPAC names.
Concept Introduction:
The rules to write the IUPAC names are as follows-
- The longest carbon chain is identified, and the root name is given accordingly.
- All the substituents attached to the root chain are determined.
- The position of the substituents is so assigned that the sum of their positions comes to be the least of all possible positions.
- The prefix di, tri, tetra is used if the same substituent is present two, three and four times respectively.
- All the substituents in the name are written in alphabetical order.
- For a cyclic hydrocarbon the prefix cyclo- is used.
Answer to Problem 16P
1-Methylcyclo-1-hexene.
Explanation of Solution
2-Methylcyclohexene.
Error- Position of methyl not correct.
Correct name-
1-Methylcyclo-1-hexene.
Expert Solution
Interpretation Introduction
(d)
Interpretation:
To analyse the error and write the correct IUPAC names.
Concept Introduction:
The rules to write the IUPAC names are as follows-
- The longest carbon chain is identified, and the root name is given accordingly.
- All the substituents attached to the root chain are determined.
- The position of the substituents is so assigned that the sum of their positions comes to be the least of all possible positions.
- The prefix di, tri, tetra is used if the same substituent is present two, three and four times respectively.
- All the substituents in the name are written in alphabetical order.
- For a cyclic hydrocarbon the prefix cyclo- is used.
Answer to Problem 16P
3,3-Dimethyl-1-pentene.
Explanation of Solution
3,3-Dimethylpentene.
Error-position of double bond not mentioned.
Correct name-
3,3-Dimethyl-1-pentene.
Expert Solution
Interpretation Introduction
(e)
Interpretation:
To analyse the error and write the correct IUPAC names.
Concept Introduction:
The rules to write the IUPAC names are as follows-
- The longest carbon chain is identified, and the root name is given accordingly.
- All the substituents attached to the root chain are determined.
- The position of the substituents is so assigned that the sum of their positions comes to be the least of all possible positions.
- The prefix di, tri, tetra is used if the same substituent is present two, three and four times respectively.
- All the substituents in the name are written in alphabetical order.
- For a cyclic hydrocarbon the prefix cyclo- is used.
Answer to Problem 16P
2-Hexyne.
Explanation of Solution
4-Hexyne.
Error- position of triple bond is incorrectly mentioned.
Correct name 2-Hexyne.
Expert Solution
Interpretation Introduction
(f)
Interpretation:
To analyse the error and write the correct IUPAC names.
Concept Introduction:
The rules to write the IUPAC names are as follows-
- The longest carbon chain is identified, and the root name is given accordingly.
- All the substituents attached to the root chain are determined.
- The position of the substituents is so assigned that the sum of their positions comes to be the least of all possible positions.
- The prefix di, tri, tetra is used if the same substituent is present two, three and four times respectively.
- All the substituents in the name are written in alphabetical order.
- For a cyclic hydrocarbon the prefix cyclo- is used.
Answer to Problem 16P
3,4-Dimethyl-2-pentene.
Explanation of Solution
2-Isopropyl-2-butene.
Error- longest chain is not correctly located.
The correct name will be-
3,4-Dimethyl-2-pentene.
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Note for advanced students: assume the engineer requires this half-reaction to happen at the anode of the cell.
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Chapter 12 Solutions
INTRO.TO GENERAL,ORGAN...-OWLV2 ACCESS
Ch. 12.3 - Prob. 12.1QCCh. 12.3 - Prob. 12.2QCCh. 12.3 - Problem 12-3 Write the IUPAC name for each...Ch. 12.3 - Problem 12-4 Draw structural formulas for the...Ch. 12.3 - Problem 12-5 How many stereoisomers are possible...Ch. 12.5 - Prob. 12.6QCCh. 12.5 - Problem 12-7 Propose a two-step mechanism for the...Ch. 12.5 - Prob. 12.8QCCh. 12.5 - Problem 12-9 Propose a three-step reaction...Ch. 12.5 - Prob. 12.10QC
Ch. 12.8 - Prob. 12.11QCCh. 12 - Prob. 1PCh. 12 - Answer true or false. Both ethylene and acetylene...Ch. 12 - 12-13 What is the difference in structure between...Ch. 12 - There are three compounds with the molecular...Ch. 12 - 12-15 Name and draw structural formulas for all...Ch. 12 - Prob. 6PCh. 12 - Draw a structural formula for at least one...Ch. 12 - Each carbon atom in ethane and in ethylene is...Ch. 12 - Prob. 9PCh. 12 - Prob. 10PCh. 12 - Prob. 11PCh. 12 - 12*22 Draw a structural formula for each compound....Ch. 12 - 12-23 Draw a structural formula for each compound....Ch. 12 - Prob. 14PCh. 12 - 12-25 Write the IUPAC name for each unsaturated...Ch. 12 - Explain why each name is incorrect and then write...Ch. 12 - 12-27 Explain why each name is incorrect and then...Ch. 12 - Prob. 18PCh. 12 - 12-29 Which of these alkenes show cis-trans...Ch. 12 - 12-30 Which of these alkenes shows cis-trans...Ch. 12 - 12-31 Cyclodecene exists as both cis and trans...Ch. 12 - Arachidonic acid is a naturally occurring C„o...Ch. 12 - Prob. 23PCh. 12 - If you examine the structural formulas for the...Ch. 12 - 12*35 For each molecule that shows eis-trans...Ch. 12 - Name and draw structural formulas for all...Ch. 12 - /3-Ocimene, a triene found in the fragrance of...Ch. 12 - Answer true or false. Alkenes and alkynes are...Ch. 12 - Prob. 29PCh. 12 - 12-40 Define alkene addition reaction. Write an...Ch. 12 - Prob. 31PCh. 12 - 12-42 Complete these equations.Ch. 12 - Draw structural formulas for all possible...Ch. 12 - Prob. 34PCh. 12 - 12-45 Draw a structural formula for the product of...Ch. 12 - Draw a structural formula for an alkene with the...Ch. 12 - 12-47 Draw a structural formula for an alkene with...Ch. 12 - Draw a structural formula for an alkene with the...Ch. 12 - Prob. 39PCh. 12 - 12-50 Draw the structural formula of an alkene...Ch. 12 - Prob. 41PCh. 12 - Prob. 42PCh. 12 - Following is the structural formula of...Ch. 12 - Propose an explanation for the following...Ch. 12 - There are nine alkenes with the molecular formula...Ch. 12 - Prob. 46PCh. 12 - 12-57 Hydrocarbon A, Cf,Hs, reacts with 2 moles of...Ch. 12 - 12-58 Show how to convert ethylene to these...Ch. 12 - 12-59 Show how to convert 1-butene to these...Ch. 12 - Prob. 50PCh. 12 - 12-61 (Chemical Connections 12A) What is one...Ch. 12 - Prob. 52PCh. 12 - Prob. 53PCh. 12 - 12-64 (Chemical Connections 120 What is the...Ch. 12 - (Chemical Connections 120 Assume that 1 X IO-12 g...Ch. 12 - Prob. 56PCh. 12 - Prob. 57PCh. 12 - Prob. 58PCh. 12 - Prob. 59PCh. 12 - Prob. 60PCh. 12 - Prob. 61PCh. 12 - Suppose you have unlabeled bottles of benzene and...Ch. 12 - Prob. 63PCh. 12 - Prob. 64PCh. 12 - Answer true or false. (a) Phenols and alcohols...Ch. 12 - Prob. 66PCh. 12 - Prob. 67PCh. 12 - Prob. 68PCh. 12 - Prob. 69PCh. 12 - 12-67 (Chemical Connections 12D ) In which isomer...Ch. 12 - Prob. 71PCh. 12 - Prob. 72PCh. 12 - Prob. 73PCh. 12 - Prob. 74PCh. 12 - Prob. 75PCh. 12 - Prob. 76PCh. 12 - Prob. 77PCh. 12 - Prob. 78PCh. 12 - Prob. 79PCh. 12 - Prob. 80PCh. 12 - Prob. 81PCh. 12 - Prob. 82PCh. 12 - Prob. 83PCh. 12 - Prob. 84PCh. 12 - Prob. 85PCh. 12 - Prob. 86PCh. 12 - Propose a structural formula for the product!s)...Ch. 12 - Prob. 88PCh. 12 - Draw the structural formula of an alkene that...Ch. 12 - 12-77 Show how to convert cyclopentene into these...Ch. 12 - Prob. 91PCh. 12 - Prob. 92PCh. 12 - Prob. 93PCh. 12 - Prob. 94PCh. 12 - Prob. 95PCh. 12 - In omega-3 fatty adds, the last carbon of the last...Ch. 12 - Prob. 97PCh. 12 - Prob. 98P
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